CN215865788U

CN215865788U - Brake shoe fatigue test device

Info

Publication number: CN215865788U
Application number: CN202122178975.1U
Authority: CN
Inventors: 谭文华; 刘瑞; 刘从胜
Original assignee: Xiangyang City Ruifuda Machinery Co ltd
Current assignee: Xiangyang City Ruifuda Machinery Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-18
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a brake shoe fatigue test device which comprises a test box, wherein a first motor is fixedly connected to the lower portion of the left side of the inner wall of the test box through a first metal plate, the output end of the first motor is fixedly connected with a rotating rod through a first coupler, a first supporting plate is fixedly connected to the right end of the rotating rod, a test object is installed on the right side of the first supporting plate, a fixing mechanism is rotatably connected to the lower portion of the right side of the inner wall of the test box through a first rotating plate, and a moving mechanism is fixedly connected to the upper portion of the left side of the inner wall of the test box through a second metal plate. The first bolt and the second bolt are arranged, so that a test object can be more stably fixed, the test object is prevented from falling off during testing, then the telescopic rod is arranged, the adjustment can be carried out according to test objects with different sizes, and meanwhile the support rod is arranged, so that the rotating rod can be supported, and the test object is prevented from falling off during testing.

Description

Brake shoe fatigue test device

Technical Field

The utility model relates to the technical field of brake shoes, in particular to a brake shoe fatigue test device.

Background

The brake shoe is a friction coupling of a drum brake, and should have a friction coefficient as high and stable as possible, and suitable wear resistance, heat radiation, heat capacity, and the like, in addition to strength and rigidity required as a member.

However, in the prior art, in the production and research and development processes of brake shoes, the automobile brake shoes need to be tested to determine whether various performances of the brake shoes can achieve expected effects, the most important performance of the brake shoes is the wear resistance of the brake shoes, and the existing equipment-mounted brake shoes are not stable enough and cannot be accurately tested, so that the expected effects cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a brake shoe fatigue test device to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a brake shoe fatigue test device, includes the proof box, the inner wall left side below of proof box is through the first motor of first sheet metal fixedly connected with, the output of first motor is through first shaft coupling fixedly connected with dwang, the first backup pad of right-hand member fixedly connected with of dwang, the test thing is installed on the right side of first backup pad, the inner wall right side below of proof box is rotated through first rotation board and is connected with fixed establishment, the inner wall left side upper side of proof box is through second sheet metal fixedly connected with moving mechanism.

As a further improvement scheme of the technical scheme: the surface center department of dwang rotates and is connected with the bracing piece, the bottom of bracing piece and the inner wall bottom fixed connection of proof box.

As a further improvement scheme of the technical scheme: the upper end and the lower end of the first supporting plate are respectively in threaded connection with a first bolt, and the first bolt is in threaded connection with the upper end and the lower end of the left side of the test object.

As a further improvement scheme of the technical scheme: the fixing mechanism comprises a telescopic rod, the right end of the telescopic rod is rotatably connected with the lower portion of the right side of the inner wall of the test box through a bearing, a second supporting plate is fixedly connected with the left end of the telescopic rod, a test object is connected with the left side of the second supporting plate, and second bolts are respectively in threaded connection with the upper end and the lower end of the right side of the second supporting plate.

As a further improvement scheme of the technical scheme: the moving mechanism comprises a second motor, the bottom end of the second motor is fixedly connected with the upper side of the left side of the inner wall of the test box through a second metal plate, the output end of the second motor is fixedly connected with a threaded rod through a second coupler, and the right end of the threaded rod is rotatably connected with the upper side of the right side of the inner wall of the test box through a bearing.

As a further improvement scheme of the technical scheme: threaded connection has the sleeve on the threaded rod surface, telescopic bottom fixedly connected with second pneumatic cylinder, the bottom fixedly connected with bearing plate of second pneumatic cylinder, the bottom left and right sides of bearing plate fixedly connected with spring, two respectively the common fixedly connected with clutch blocks in bottom of spring.

As a further improvement scheme of the technical scheme: the left side wall of the test box is rotatably connected with a cabinet door through a hinge, and the right side of the surface of the cabinet door is fixedly connected with a handle.

As a further improvement scheme of the technical scheme: a fan is arranged above the right side wall of the test box, and a ventilation opening is arranged above the left side wall of the test box.

Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. the first bolt and the second bolt are arranged, so that a test object can be more stably fixed, the test object is prevented from falling off during testing, then the telescopic rod is arranged, the adjustment can be carried out according to test objects with different sizes, and meanwhile the support rod is arranged, so that the rotating rod can be supported, and the test object is prevented from falling off during testing;

2. the fan is arranged, heat generated by friction in the test box can be dissipated, the threaded rod and the sleeve are arranged, the friction block can be adjusted left and right, and the second hydraulic cylinder is arranged, so that the friction block can be adjusted up and down.

Drawings

FIG. 1 is a schematic sectional front view of a brake shoe fatigue testing apparatus according to the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic diagram of a brake shoe top view structure of a brake shoe fatigue testing apparatus according to the present invention;

fig. 4 is an appearance structure schematic diagram of a brake shoe fatigue test device provided by the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a test chamber; 2. a second motor; 3. a threaded rod; 4. a sleeve; 5. a second hydraulic cylinder; 6. a bearing plate; 7. a spring; 8. a friction block; 9. a first motor; 10. rotating the rod; 11. a first support plate; 12. a first bolt; 13. a test object; 14. a telescopic rod; 15. a second support plate; 16. a second bolt; 17. a cabinet door; 18. a handle; 19. a fan; 20. a vent; 21. a support rod.

Detailed Description

The utility model will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1 to 4, in the embodiment of the utility model, a brake shoe fatigue test device comprises a test box 1, a first motor 9 is fixedly connected to the lower portion of the left side of the inner wall of the test box 1 through a first metal plate, an output end of the first motor 9 is fixedly connected to a rotating rod 10 through a first coupler, a first support plate 11 is fixedly connected to the right end of the rotating rod 10, a test object 13 is installed on the right side of the first support plate 11, a fixing mechanism is rotatably connected to the lower portion of the right side of the inner wall of the test box 1 through the first rotating plate, a moving mechanism is fixedly connected to the upper portion of the left side of the inner wall of the test box 1 through a second metal plate, and the rotating rod 10 can be better driven to rotate through the first motor 9.

It is worth mentioning that the center of the surface of the rotating rod 10 is rotatably connected with the supporting rod 21, the bottom end of the supporting rod 21 is fixedly connected with the bottom end of the inner wall of the test box 1, and the rotating rod 10 can be better supported through the supporting rod 21.

It should be introduced that the upper and lower both ends of the first supporting plate 11 are respectively screwed with a first bolt 12, and the first bolt 12 is screwed with the upper and lower both ends of the left side of the test object 13, so that the test object 13 can be better fixed by the first bolt 12.

In addition, fixed establishment includes telescopic link 14, and the right-hand member of telescopic link 14 passes through the bearing and rotates with the inner wall right side below of proof box 1 to be connected, and the left end fixedly connected with second backup pad 15 of telescopic link 14, test article 13 is connected in the left side of second backup pad 15, and both ends threaded connection respectively has second bolt 16 about the right side of second backup pad 15, can fix test article 13 through second bolt 16 is better.

Referring to fig. 1, the moving mechanism includes a second motor 2, the bottom end of the second motor 2 is fixedly connected to the upper portion of the left side of the inner wall of the test box 1 through a second metal plate, the output end of the second motor 2 is fixedly connected to a threaded rod 3 through a second coupler, the right end of the threaded rod 3 is rotatably connected to the upper portion of the right side of the inner wall of the test box 1 through a bearing, and the threaded rod 3 can be driven to rotate better through the second motor 2.

And, threaded connection has sleeve 4 on the 3 surperficial threaded connection of threaded rod, and the bottom fixedly connected with second pneumatic cylinder 5 of sleeve 4, the bottom fixedly connected with bearing plate 6 of second pneumatic cylinder 5, and the bottom left and right sides of bearing plate 6 is fixedly connected with spring 7 respectively, and the common fixedly connected with clutch blocks 8 in bottom of two springs 7 can be through the better experiment that carries on of clutch blocks 8.

Referring to fig. 1, a cabinet door 17 is rotatably connected to the left side wall of the test chamber 1 through a hinge, and a handle 18 is fixedly connected to the right side of the surface of the cabinet door 17, so that the cabinet door 17 can be better pulled through the handle 18.

Referring to fig. 1, a fan 19 is disposed above the right side wall of the test chamber 1, and a vent 20 is disposed above the left side wall of the test chamber 1, so that heat can be better dissipated through the fan 19.

The working principle of the utility model is as follows:

in practical use, firstly, the test object 13 is placed at a proper position, then the telescopic rod 14 is started to extend to the test object 13 leftwards, then the second bolt 16 is rotated to fix the test object 13 and the second support plate 15 together, meanwhile, the first bolt 12 is rotated to fix the first support plate 11 and the test object 13 together, then the handle 18 is pulled to close the cabinet door 17, then the second motor 2 is started to drive the threaded rod 3 to rotate, so that the sleeve 4 is moved to a proper position, the second hydraulic cylinder 5 is started to place the friction block 8 on the test object 13, meanwhile, the spring 7 under the bearing plate 6 can adjust the position according to the test object 13, then the first motor 9 is started to drive the rotating rod 10 to rotate on the support rod 21, so that the test object 13 starts to rotate, finally, the fan 19 is opened to dissipate heat in the test box 1, and hot air is emitted through the vent 20.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The utility model provides a brake shoe fatigue test device, includes proof box (1), its characterized in that, the inner wall left side below of proof box (1) is through the first motor of first sheet metal fixedly connected with (9), the output of first motor (9) is through first shaft coupling fixedly connected with dwang (10), the first backup pad of right-hand member fixedly connected with (11) of dwang (10), test thing (13) are installed on the right side of first backup pad (11), the inner wall right side below of proof box (1) is rotated through first dwang and is connected with fixed establishment, the inner wall left side upper side of proof box (1) is through second sheet metal fixedly connected with moving mechanism.

2. The brake shoe fatigue test device according to claim 1, wherein a support rod (21) is rotatably connected to the surface center of the rotating rod (10), and the bottom end of the support rod (21) is fixedly connected with the bottom end of the inner wall of the test chamber (1).

3. The brake shoe fatigue test device of claim 1, wherein the upper and lower ends of the first support plate (11) are respectively screwed with a first bolt (12), and the first bolt (12) is screwed with the upper and lower left ends of the test object (13).

4. The brake shoe fatigue test device of claim 1, wherein the fixing mechanism comprises a telescopic rod (14), the right end of the telescopic rod (14) is rotatably connected with the lower part of the right side of the inner wall of the test box (1) through a bearing, the left end of the telescopic rod (14) is fixedly connected with a second support plate (15), the left side of the second support plate (15) is connected with the test object (13), and the upper end and the lower end of the right side of the second support plate (15) are respectively in threaded connection with a second bolt (16).

5. The brake shoe fatigue test device of claim 1, wherein the moving mechanism comprises a second motor (2), the bottom end of the second motor (2) is fixedly connected with the upper left side of the inner wall of the test box (1) through a second metal plate, the output end of the second motor (2) is fixedly connected with a threaded rod (3) through a second coupler, and the right end of the threaded rod (3) is rotatably connected with the upper right side of the inner wall of the test box (1) through a bearing.

6. The brake shoe fatigue test device of claim 5, wherein a sleeve (4) is in threaded connection with the surface of the threaded rod (3), a second hydraulic cylinder (5) is fixedly connected to the bottom end of the sleeve (4), a bearing plate (6) is fixedly connected to the bottom end of the second hydraulic cylinder (5), springs (7) are respectively and fixedly connected to the left side and the right side of the bottom end of the bearing plate (6), and friction blocks (8) are fixedly connected to the bottom ends of the two springs (7) together.

7. The brake shoe fatigue test device according to claim 1, wherein a cabinet door (17) is rotatably connected to the left side wall of the test box (1) through a hinge, and a handle (18) is fixedly connected to the right side of the surface of the cabinet door (17).

8. A brake shoe fatigue test device according to claim 1, wherein a fan (19) is provided above the right side wall of the test chamber (1), and a vent (20) is provided above the left side wall of the test chamber (1).